CVE-2020-26298 (GCVE-0-2020-26298)
Vulnerability from cvelistv5
Published
2021-01-11 00:00
Modified
2025-02-13 16:27
Severity ?
6.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N
CWE
  • CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
  • CWE-79 - Cross-site Scripting (XSS)
Summary
Redcarpet is a Ruby library for Markdown processing. In Redcarpet before version 3.5.1, there is an injection vulnerability which can enable a cross-site scripting attack. In affected versions no HTML escaping was being performed when processing quotes. This applies even when the `:escape_html` option was being used. This is fixed in version 3.5.1 by the referenced commit.
References
security-advisories@github.com https://github.com/advisories/GHSA-q3wr-qw3g-3p4h Third Party Advisory
security-advisories@github.com https://github.com/vmg/redcarpet/blob/master/CHANGELOG.md#version-351-security Release Notes, Third Party Advisory
security-advisories@github.com https://github.com/vmg/redcarpet/commit/a699c82292b17c8e6a62e1914d5eccc252272793 Patch, Third Party Advisory
security-advisories@github.com https://lists.debian.org/debian-lts-announce/2021/01/msg00014.html Mailing List, Third Party Advisory
security-advisories@github.com https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFMYDIONVWATY7EB6EARDVXT47AYCRNM/
security-advisories@github.com https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNO4ZZUPGAEUXKQL4G2HRIH7CUZKPCT6/
security-advisories@github.com https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PXNNWHHAPREDM3XJDACYRTK7DBMUONBI/
security-advisories@github.com https://rubygems.org/gems/redcarpet Product, Third Party Advisory
security-advisories@github.com https://www.debian.org/security/2021/dsa-4831 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://github.com/advisories/GHSA-q3wr-qw3g-3p4h Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://github.com/vmg/redcarpet/blob/master/CHANGELOG.md#version-351-security Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://github.com/vmg/redcarpet/commit/a699c82292b17c8e6a62e1914d5eccc252272793 Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2021/01/msg00014.html Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFMYDIONVWATY7EB6EARDVXT47AYCRNM/
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNO4ZZUPGAEUXKQL4G2HRIH7CUZKPCT6/
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PXNNWHHAPREDM3XJDACYRTK7DBMUONBI/
af854a3a-2127-422b-91ae-364da2661108 https://rubygems.org/gems/redcarpet Product, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://www.debian.org/security/2021/dsa-4831 Third Party Advisory
Impacted products
Vendor Product Version
vmg redcarpet Version: < 3.5.1
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}


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